Nutrition Consensus

Evidence sentiment publication

[CAF] Beverages

Coffee

Last updated Jul 18, 2026 · Refresh target: weekly

Is coffee good for you today?

Mostly yes. The coffee ledger leans strongly favorable across cardiometabolic, liver, and mortality outcomes, with important caveats around sleep, pregnancy, dose, and brewing method.

Additional analyst color: The caffeine desk still closes early.

Current score

+61

Sentiment

Strongly positive

Confidence

78 / 100

Controversy

14 / 100

Debated

Evidence items

366

30D0
90D0
1Y-4

The favorable signal is broad but not universal. Preparation, dose, caffeine sensitivity, pregnancy, and underlying health conditions materially change the interpretation.

Analyst noteConfidence reflects a large evidence base with generally coherent direction, tempered by observational confounding and meaningful subgroup differences.

Last meaningful move

Dec 2016

Score move

-12

points

Driven by

Acute caffeine ingestion reduces insulin sensitivity in healthy subjects: a systematic review and meta-analysis.

Nutrition journal · Dec 28, 2016 · Negative · index impact -8

This study carried one of the largest negative public impacts added to the ledger around the move.

View study ->

Evidence sentiment index

Historical price of the coffee thesis

Start
End
-500+50+100Zero line: mixed
Latest+61
SignalStrongly positive
Confidence78 / 100

Axis fitted: -50 to +100. Index scale remains -100 to +100.

Latest studies

Evidence tape

Sorted by evidence availability date, newest first.

Did we miss a study?

Showing 3 of 366 studies after filter and sort.

large prospective cohort

Timing of Coffee Intake Modifies Mortality Risk in Cardiovascular-Kidney-Metabolic Syndrome: A Cohort and Experimental Study.

FASEB journal : official publication of the Federation of American Societies for Experimental Biology · Jun 8, 2026Open study
Direction: PositiveIndex impact +16

Cohort plus experimental mouse study: in people with cardiovascular-kidney-metabolic (CKM) syndrome, higher coffee intake was inversely associated with all-cause mortality only among morning-type drinkers; in CKM mice, morning coffee improved metabolic/renal function and lowered inflammatory markers while late-day coffee did not.

Details and limitations

Limitations: Review full paper for confounding, population characteristics, endpoint definitions, and study design before publishing.

Evidence weight 24 / 100semanticscholarjournalarticlereviewdoi:10.1096/fj.202504046Rpmid:42253139

large prospective cohort

1078-OR: Coffee Intake Timing, Metabolomics, and Diabetes: A Prospective Study in the Hispanic Community Health Study/Study of Latinos (HCHSL/SOL)

Diabetes · Jun 5, 2026Open study
Direction: PositiveIndex impact +13

Conference abstract (HCHS/SOL, Hispanic/Latino adults): late-morning coffee intake was independently associated with lower incident diabetes risk (HR 0.56), beyond total intake, with related fatty-acid-oxidation metabolites.

Details and limitations

Limitations: Review full paper for confounding, population characteristics, endpoint definitions, and study design before publishing.

Evidence weight 19 / 100semanticscholarjournalarticledoi:10.2337/db26-1078-orpmid:null

meta analysis

1437-P: Association of Coffee with Risk of Diabetic Retinopathy: A Systematic Review and Meta-Analysis of Human Studies

Diabetes · Jun 5, 2026Open study
Direction: NeutralIndex impact 0

Conference-abstract systematic review/meta-analysis: self-reported higher coffee intake correlated with lower diabetic-retinopathy prevalence, but cohort and biomarker findings were inconsistent (moderate-quality, mostly cross-sectional evidence).

Details and limitations

Limitations: Review full paper for confounding, population characteristics, endpoint definitions, and study design before publishing.

Evidence weight 37 / 100semanticscholarjournalarticlereviewdoi:10.2337/db26-1437-ppmid:null

Showing 3 of 366 studies.